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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. #define ll long long int
  4. int n,m,i,c[100005],a,b,v,k,t[100005];
  5. set<int> g[100005];
  6. vector<int>first_half;
  7. vector<int>second_half;
  8. vector<int>total;
  9. int par[209],group[209];
  10. int arra[150000];
  11. vector<int>arr;
  12. map<char,int>cp;
  13. map<ll,ll>mp;
  14. deque<char>stp1;
  15. deque<char>stp2;
  16. map<int,int>pos;
  17. map<string,int>check;
  18. map<string,string>server;
  19. vector<string>ans1;
  20. vector<string>ans2;
  21. vector<string>ans3;
  22. string server1[1009];
  23. string ip1[1009];
  24. string server2[1009];
  25. string ip2[1009];
  26. ll cashier[109];
  27. ll fir[10009];
  28. ll sec[100009];
  29. ll dice[109];
  30. vector<ll>element;
  31. map<ll,ll>skysc;
  32. map<string,ll>iteams;
  33. map<ll,ll>equal1;
  34. map<ll,ll>equalcnt;
  35. ll complete[200009][29];
  36. map<ll,ll>vis_pos;
  37. map<char,ll>complete_cp;
  38. int main() {
  39.   ll t;	
  40.   cin>>t;
  41.   while(t--){	
  42.   ll i,j,k,l=0,p=0,q=2019,n,r,ans=100000000,x,mini=100000000000000,maxi,z=0,total=0;
  43.   string item;
  44.  // cin>>n;
  45.  cin>>n>>k;
  46.  string stk;
  47.  cin>>stk;
  48.  l=n/k+1;
  49.  
  50.  
  51.  for(i=1;i<=l;i++)
  52.  {
  53.  
  54.  
  55.  
  56.       maxi=0;
  57.       z=0;
  58.  
  59.     for(j=0;j<=n;j=j+k)
  60.     {
  61.  
  62.       if(i+j-1<=n-1&&vis_pos[i+j-1]==0){
  63.        complete_cp[stk[i+j-1]]++;
  64.        maxi=max(maxi,complete_cp[stk[i+j-1]]);
  65.        vis_pos[i+j-1]++;
  66.        z++;
  67.       // cout<<complete_cp[stk[i+j-1]]<<'\n';
  68.         }
  69.       if(j-i>=0&&vis_pos[j-i]==0){
  70.        complete_cp[stk[j-i]]++;
  71.        maxi=max(maxi,complete_cp[stk[j-i]]);
  72.        // cout<<complete_cp[stk[n-(i+j)]]<<'\n';
  73.         vis_pos[j-i]++;
  74.         z++;
  75.        }
  76. }
  77.        if(maxi>0)
  78.          total=total+max(p,z-maxi);
  79.         //cout<<maxi<<" "; 
  80.        // complete_cp.clear();
  81.     complete_cp.clear();
  82.  
  83. }
  84.  
  85.  
  86.     //cout<<n/k+n/k-maxi<<" ";
  87.  
  88.  
  89.  
  90.   complete_cp.clear();
  91.  
  92.  
  93.  
  94.  cout<<total<<'\n';
  95.  vis_pos.clear();
  96.  
  97.  
  98.  
  99. }
  100.  
  101.  
  102. }
Runtime error #stdin #stdout 0.02s 8240KB
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https://ideone.com/DABn29
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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